BioMed Research International / 2016 / Article / Tab 3

Review Article

Lower Level of Bacteroides in the Gut Microbiota Is Associated with Inflammatory Bowel Disease: A Meta-Analysis

Table 3

Scores from NOS system.

StudiesComparabilitySelectionExposureScore
(1)(2)(3)(4)(1a)(1b)(1)(2)(3)

Andoh et al. 2011 [23]*********9
Andoh et al. 2012 [15]********8
Ashorn et al. 2009 [16]*******7
Basset et al. 2004 [17]********8
Kleessen et al. 2002 [18]*********9
Sokol et al. 2006 [19]*****6
Swidsinski et al. 2002 [20]********8
Swidsinski et al. 2005 [21]*******8
Takaishi et al. 2008 [22]******7

Selection: (1) the case definition being adequate; (2) representativeness of the cases; (3) selection of controls, and (4) definition of controls. Comparability: (1a) comparability of cases and controls on the basis of CD, UC, and IC diagnosed of endoscope and pathological section; (1b) study controls for active phase with remission phase with IBD patients with CAI and CDAI. Exposure: (1) ascertainment of exposure; (2) same method of ascertainment for cases and controls; and (3) nonresponse rate.

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